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frosja888 [35]
3 years ago
12

What are the excluded values of x for

title=" \frac{x+1}{x^2-1} " alt=" \frac{x+1}{x^2-1} " align="absmiddle" class="latex-formula">
A. x = –1, x = 0, x = 1
B. x = –1, x = 0
C. x = 0, x = 1
D. x = –1, x = 1
Mathematics
2 answers:
NISA [10]3 years ago
8 0
Denominator:

x^2-1=(x+1)(x-1)=\big(x-(-1)\big)(x-1)

so excluded values are x =  -1 and x = 1.

Answer D.
Nataly_w [17]3 years ago
5 0

The answer would be D. x=-1, x=1


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